pH55 (pH/Temp waterproof tester Mi5559 Back Catalog number: MI5559 Manufacturer: MILWAUKEE ELECTRONICS Availability: In the manufacturer's stock Price on request - + Recommended MW803 pH/EC/TDS/Temp tester MW803 Price on request HI981032 pH Tester for Cheese Price on request MI151 pH/ORP/Temp combined bench meter Mi151 Price on request